code: def mobilebert_cfg():
      cfg = base_cfg()
      cfg.model_name = "google_uncased_mobilebert"
      cfg.batch_size = 8
      cfg.num_accumulated = 1
      cfg.lr = 4e-5
      cfg.epochs = 5
      cfg.max_seq_length = 384
      return cfg
  
file_path: gluon-nlp/scripts/question_answering/commands/generate_commands.py
imports: import re
  import os
  from gluonnlp.utils.config import CfgNode
label_desc: Use image node_id 9 for calling a global function with example usage: mobilebert_cfg() and returns: cfg